Implement shared action create/destroy/update/query.
Implement RSS shared action and handle shared RSS on
flow apply and release.

Note: currently implemented for sharede RSS action only

Signed-off-by: Andrey Vesnovaty <andr...@mellanox.com>
---
 drivers/net/mlx5/mlx5_flow_dv.c | 671 ++++++++++++++++++++++++++++++--
 1 file changed, 647 insertions(+), 24 deletions(-)

diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index d1eb65b01b..93fbfbddab 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -8570,6 +8570,156 @@ __flow_dv_translate(struct rte_eth_dev *dev,
        return 0;
 }
 
+/**
+ * Set hash RX queue by hash fields (see enum ibv_rx_hash_fields)
+ * and tunnel.
+ *
+ * @param[in, out] action
+ *   Shred RSS action holding hash RX queue objects.
+ * @param[in] hash_fields
+ *   Defines combination of packet fields to participate in RX hash.
+ * @param[in] tunnel
+ *   Tunnel type
+ * @param[in] hrxq_idx
+ *   Hash RX queue index to set.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_rss_hrxq_set(struct mlx5_shared_action_rss *action,
+                             const uint64_t hash_fields,
+                             const int tunnel,
+                             uint32_t hrxq_idx)
+{
+       uint32_t *hrxqs = (tunnel) ? action->hrxq : action->hrxq_tunnel;
+
+       switch (hash_fields & ~IBV_RX_HASH_INNER) {
+       case MLX5_RSS_HASH_IPV4:
+               hrxqs[0] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV4_TCP:
+               hrxqs[1] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV4_UDP:
+               hrxqs[2] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV6:
+               hrxqs[3] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV6_TCP:
+               hrxqs[4] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_IPV6_UDP:
+               hrxqs[5] = hrxq_idx;
+               return 0;
+       case MLX5_RSS_HASH_NONE:
+               hrxqs[6] = hrxq_idx;
+               return 0;
+       default:
+               return -1;
+       }
+}
+
+/**
+ * Look up for hash RX queue by hash fields (see enum ibv_rx_hash_fields)
+ * and tunnel.
+ *
+ * @param[in] action
+ *   Shred RSS action holding hash RX queue objects.
+ * @param[in] hash_fields
+ *   Defines combination of packet fields to participate in RX hash.
+ * @param[in] tunnel
+ *   Tunnel type
+ *
+ * @return
+ *   Valid hash RX queue index, otherwise 0.
+ */
+static uint32_t
+__flow_dv_action_rss_hrxq_lookup(const struct mlx5_shared_action_rss *action,
+                                const uint64_t hash_fields,
+                                const int tunnel)
+{
+       const uint32_t *hrxqs = (tunnel) ? action->hrxq : action->hrxq_tunnel;
+
+       switch (hash_fields & ~IBV_RX_HASH_INNER) {
+       case MLX5_RSS_HASH_IPV4:
+               return hrxqs[0];
+       case MLX5_RSS_HASH_IPV4_TCP:
+               return hrxqs[1];
+       case MLX5_RSS_HASH_IPV4_UDP:
+               return hrxqs[2];
+       case MLX5_RSS_HASH_IPV6:
+               return hrxqs[3];
+       case MLX5_RSS_HASH_IPV6_TCP:
+               return hrxqs[4];
+       case MLX5_RSS_HASH_IPV6_UDP:
+               return hrxqs[5];
+       case MLX5_RSS_HASH_NONE:
+               return hrxqs[6];
+       default:
+               return 0;
+       }
+}
+
+/**
+ * Retrieves hash RX queue suitable for the *flow*.
+ * If shared action configured for *flow* suitable hash RX queue will be
+ * retrieved from attached shared action.
+ *
+ * @param[in] flow
+ *   Shred RSS action holding hash RX queue objects.
+ * @param[in] dev_flow
+ *   Pointer to the sub flow.
+ * @param[out] hrxq
+ *   Pointer to retrieved hash RX queue object.
+ *
+ * @return
+ *   Valid hash RX queue index, otherwise 0 and rte_errno is set.
+ */
+static uint32_t
+__flow_dv_rss_get_hrxq(struct rte_eth_dev *dev, struct rte_flow *flow,
+                          struct mlx5_flow *dev_flow,
+                          struct mlx5_hrxq **hrxq)
+{
+       struct mlx5_priv *priv = dev->data->dev_private;
+       uint32_t hrxq_idx;
+       struct mlx5_flow_rss_desc *rss_desc = NULL;
+
+       if (flow->shared_rss) {
+               hrxq_idx = __flow_dv_action_rss_hrxq_lookup
+                               (flow->shared_rss, dev_flow->hash_fields,
+                                !!(dev_flow->handle->layers &
+                                   MLX5_FLOW_LAYER_TUNNEL));
+               if (hrxq_idx) {
+                       *hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
+                                              hrxq_idx);
+                       rte_atomic32_inc(&(*hrxq)->refcnt);
+               }
+       } else {
+               rss_desc = &((struct mlx5_flow_rss_desc *)priv->rss_desc)
+                          [!!priv->flow_nested_idx];
+               MLX5_ASSERT(rss_desc->queue_num);
+               hrxq_idx = mlx5_hrxq_get(dev, rss_desc->key,
+                                        MLX5_RSS_HASH_KEY_LEN,
+                                        dev_flow->hash_fields,
+                                        rss_desc->queue, rss_desc->queue_num);
+               if (!hrxq_idx) {
+                       hrxq_idx = mlx5_hrxq_new(dev,
+                                                rss_desc->key,
+                                                MLX5_RSS_HASH_KEY_LEN,
+                                                dev_flow->hash_fields,
+                                                rss_desc->queue,
+                                                rss_desc->queue_num,
+                                                !!(dev_flow->handle->layers &
+                                                   MLX5_FLOW_LAYER_TUNNEL));
+               }
+               *hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
+                                      hrxq_idx);
+       }
+       return hrxq_idx;
+}
+
 /**
  * Apply the flow to the NIC, lock free,
  * (mutex should be acquired by caller).
@@ -8628,30 +8778,10 @@ __flow_dv_apply(struct rte_eth_dev *dev, struct 
rte_flow *flow,
                                dv->actions[n++] = drop_hrxq->action;
                        }
                } else if (dh->fate_action == MLX5_FLOW_FATE_QUEUE) {
-                       struct mlx5_hrxq *hrxq;
-                       uint32_t hrxq_idx;
-                       struct mlx5_flow_rss_desc *rss_desc =
-                               &((struct mlx5_flow_rss_desc *)priv->rss_desc)
-                               [!!priv->flow_nested_idx];
-
-                       MLX5_ASSERT(rss_desc->queue_num);
-                       hrxq_idx = mlx5_hrxq_get(dev, rss_desc->key,
-                                                MLX5_RSS_HASH_KEY_LEN,
-                                                dev_flow->hash_fields,
-                                                rss_desc->queue,
-                                                rss_desc->queue_num);
-                       if (!hrxq_idx) {
-                               hrxq_idx = mlx5_hrxq_new
-                                               (dev, rss_desc->key,
-                                               MLX5_RSS_HASH_KEY_LEN,
-                                               dev_flow->hash_fields,
-                                               rss_desc->queue,
-                                               rss_desc->queue_num,
-                                               !!(dh->layers &
-                                               MLX5_FLOW_LAYER_TUNNEL));
-                       }
-                       hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
-                                             hrxq_idx);
+                       struct mlx5_hrxq *hrxq = NULL;
+                       uint32_t hrxq_idx = __flow_dv_rss_get_hrxq
+                                                       (dev, flow, dev_flow,
+                                                       &hrxq);
                        if (!hrxq) {
                                rte_flow_error_set
                                        (error, rte_errno,
@@ -9067,12 +9197,16 @@ __flow_dv_remove(struct rte_eth_dev *dev, struct 
rte_flow *flow)
 static void
 __flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
 {
+       struct rte_flow_shared_action *shared;
        struct mlx5_flow_handle *dev_handle;
        struct mlx5_priv *priv = dev->data->dev_private;
 
        if (!flow)
                return;
        __flow_dv_remove(dev, flow);
+       shared = mlx5_flow_get_shared_rss(flow);
+       if (shared)
+               rte_atomic32_dec(&shared->refcnt);
        if (flow->counter) {
                flow_dv_counter_release(dev, flow->counter);
                flow->counter = 0;
@@ -9112,6 +9246,410 @@ __flow_dv_destroy(struct rte_eth_dev *dev, struct 
rte_flow *flow)
        }
 }
 
+/**
+ * Release array of hash RX queue objects.
+ * Helper function.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in, out] hrxqs
+ *   Array of hash RX queue objects.
+ *
+ * @return
+ *   Total number of references to hash RX queue objects in *hrxqs* array
+ *   after this operation.
+ */
+static int
+__flow_dv_hrxqs_release(struct rte_eth_dev *dev,
+                       uint32_t (*hrxqs)[MLX5_RSS_HASH_FIELDS_LEN])
+{
+       size_t i;
+       int remaining = 0, ret = 0, ret_tunnel = 0;
+
+       for (i = 0; i < RTE_DIM(*hrxqs); i++) {
+               ret = mlx5_hrxq_release(dev, (*hrxqs)[i]);
+               if (!ret)
+                       (*hrxqs)[i] = 0;
+               remaining += ret + ret_tunnel;
+       }
+       return remaining;
+}
+
+/**
+ * Release all hash RX queue objects representing shared RSS action.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in, out] action
+ *   Shared RSS action to remove hash RX queue objects from.
+ *
+ * @return
+ *   Total number of references to hash RX queue objects stored in *action*
+ *   after this operation.
+ *   Expected to be 0 if no external references held.
+ */
+static int
+__flow_dv_action_rss_hrxqs_release(struct rte_eth_dev *dev,
+                                struct mlx5_shared_action_rss *action)
+{
+       return __flow_dv_hrxqs_release(dev, &action->hrxq) +
+               __flow_dv_hrxqs_release(dev, &action->hrxq_tunnel);
+}
+
+/**
+ * Setup shared RSS action.
+ * Prepare set of hash RX queue objects sufficient to handle all valid
+ * hash_fields combinations (see enum ibv_rx_hash_fields).
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in, out] action
+ *   Partially initialized shared RSS action.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_rss_setup(struct rte_eth_dev *dev,
+                       struct mlx5_shared_action_rss *action,
+                       struct rte_flow_error *error)
+{
+       size_t i;
+       int err;
+
+       for (i = 0; i < MLX5_RSS_HASH_FIELDS_LEN; i++) {
+               uint32_t hrxq_idx;
+               uint64_t hash_fields = mlx5_rss_hash_fields[i];
+               int tunnel;
+
+               for (tunnel = 0; tunnel < 2; tunnel++) {
+                       hrxq_idx = mlx5_hrxq_new(dev, action->origin.key,
+                                       MLX5_RSS_HASH_KEY_LEN,
+                                       hash_fields,
+                                       action->origin.queue,
+                                       action->origin.queue_num,
+                                       tunnel);
+                       if (!hrxq_idx) {
+                               rte_flow_error_set
+                                       (error, rte_errno,
+                                        RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                        "cannot get hash queue");
+                               goto error_hrxq_new;
+                       }
+                       err = __flow_dv_action_rss_hrxq_set
+                               (action, hash_fields, tunnel, hrxq_idx);
+                       MLX5_ASSERT(!err);
+               }
+       }
+       return 0;
+error_hrxq_new:
+       err = rte_errno;
+       __flow_dv_action_rss_hrxqs_release(dev, action);
+       rte_errno = err;
+       return -rte_errno;
+}
+
+/**
+ * Create shared RSS action.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] rss
+ *   RSS action specification used to create shared action.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   A valid shared action handle in case of success, NULL otherwise and
+ *   rte_errno is set.
+ */
+static struct rte_flow_shared_action *
+__flow_dv_action_rss_create(struct rte_eth_dev *dev,
+                       const struct rte_flow_action_rss *rss,
+                       struct rte_flow_error *error)
+{
+       struct rte_flow_shared_action *shared_action = NULL;
+       void *queue = NULL;
+       uint32_t queue_size;
+       struct mlx5_shared_action_rss *shared_rss;
+       struct rte_flow_action_rss *origin;
+       const uint8_t *rss_key;
+
+       queue_size = RTE_ALIGN_CEIL(rss->queue_num * sizeof(uint16_t),
+                                   sizeof(void *));
+       queue = rte_calloc(__func__, 1, queue_size, 0);
+       shared_action = rte_calloc(__func__, 1, sizeof(*shared_action), 0);
+       if (!shared_action || !queue) {
+               rte_flow_error_set(error, ENOMEM,
+                                  RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+                                  "cannot allocate resource memory");
+               goto error_rss_init;
+       }
+       shared_rss = &shared_action->rss;
+       shared_rss->queue = queue;
+       origin = &shared_rss->origin;
+       origin->func = rss->func;
+       origin->level = rss->level;
+       /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
+       origin->types = !rss->types ? ETH_RSS_IP : rss->types;
+       /* NULL RSS key indicates default RSS key. */
+       rss_key = !rss->key ? rss_hash_default_key : rss->key;
+       rte_memcpy(shared_rss->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
+       origin->key = &shared_rss->key[0];
+       origin->key_len = MLX5_RSS_HASH_KEY_LEN;
+       rte_memcpy(shared_rss->queue, rss->queue, queue_size);
+       origin->queue = shared_rss->queue;
+       origin->queue_num = rss->queue_num;
+       if (__flow_dv_action_rss_setup(dev, shared_rss, error))
+               goto error_rss_init;
+       return shared_action;
+error_rss_init:
+       rte_free(shared_action);
+       rte_free(queue);
+       return NULL;
+}
+
+/**
+ * Destroy the shared RSS action.
+ * Release related hash RX queue objects.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] shared_rss
+ *   The shared RSS action object to be removed.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_rss_release(struct rte_eth_dev *dev,
+                        struct mlx5_shared_action_rss *shared_rss,
+                        struct rte_flow_error *error)
+{
+       struct rte_flow_shared_action *shared_action = NULL;
+       int remaining = __flow_dv_action_rss_hrxqs_release(dev, shared_rss);
+
+       if (remaining) {
+               return rte_flow_error_set(error, ETOOMANYREFS,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "shared rss hrxq has references");
+       }
+       shared_action = container_of(shared_rss,
+                                    struct rte_flow_shared_action, rss);
+       if (!rte_atomic32_dec_and_test(&shared_action->refcnt)) {
+               return rte_flow_error_set(error, ETOOMANYREFS,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "shared rss has references");
+       }
+       rte_free(shared_rss->queue);
+       return 0;
+}
+
+/**
+ * Create shared action, lock free,
+ * (mutex should be acquired by caller).
+ * Dispatcher for action type specific call.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] action
+ *   Action specification used to create shared action.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   A valid shared action handle in case of success, NULL otherwise and
+ *   rte_errno is set.
+ */
+static struct rte_flow_shared_action *
+__flow_dv_action_create(struct rte_eth_dev *dev,
+                       const struct rte_flow_action *action,
+                       struct rte_flow_error *error)
+{
+       struct rte_flow_shared_action *shared_action = NULL;
+       struct mlx5_priv *priv = dev->data->dev_private;
+
+       switch (action->type) {
+       case RTE_FLOW_ACTION_TYPE_RSS:
+               shared_action = __flow_dv_action_rss_create(dev, action->conf,
+                                                           error);
+               break;
+       default:
+               rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
+                                  NULL, "action type not supported");
+               break;
+       }
+       if (shared_action) {
+               rte_atomic32_inc(&shared_action->refcnt);
+               LIST_INSERT_HEAD(&priv->shared_actions, shared_action, next);
+       }
+       return shared_action;
+}
+
+/**
+ * Destroy the shared action.
+ * Release action related resources on the NIC and the memory.
+ * Lock free, (mutex should be acquired by caller).
+ * Dispatcher for action type specific call.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] action
+ *   The shared action object to be removed.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_destroy(struct rte_eth_dev *dev,
+                        struct rte_flow_shared_action *action,
+                        struct rte_flow_error *error)
+{
+       int ret;
+
+       switch (action->type) {
+       case MLX5_FLOW_ACTION_SHARED_RSS:
+               ret = __flow_dv_action_rss_release(dev, &action->rss, error);
+               break;
+       default:
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "action type not supported");
+       }
+       if (ret)
+               return ret;
+       LIST_REMOVE(action, next);
+       rte_free(action);
+       return 0;
+}
+
+/**
+ * Updates in place shared RSS action configuration.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] shared_rss
+ *   The shared RSS action object to be updated.
+ * @param[in] action_conf
+ *   RSS action specification used to modify *shared_rss*.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ * @note: currently only support update of RSS queues.
+ */
+static int
+__flow_dv_action_rss_update(struct rte_eth_dev *dev,
+                           struct mlx5_shared_action_rss *shared_rss,
+                           const struct rte_flow_action_rss *action_conf,
+                           struct rte_flow_error *error)
+{
+       size_t i;
+       int ret;
+       void *queue = NULL;
+       uint32_t queue_size;
+       const uint8_t *rss_key;
+       uint32_t rss_key_len;
+
+       queue_size = RTE_ALIGN_CEIL(action_conf->queue_num * sizeof(uint16_t),
+                                   sizeof(void *));
+       queue = rte_calloc(__func__, 1, queue_size, 0);
+       if (!queue) {
+               return rte_flow_error_set(error, ENOMEM,
+                                         RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                         NULL,
+                                         "cannot allocate resource memory");
+       }
+       if (action_conf->key) {
+               rss_key = action_conf->key;
+               rss_key_len = action_conf->key_len;
+       } else {
+               rss_key = rss_hash_default_key;
+               rss_key_len = MLX5_RSS_HASH_KEY_LEN;
+       }
+       for (i = 0; i < MLX5_RSS_HASH_FIELDS_LEN; i++) {
+               uint32_t hrxq_idx;
+               uint64_t hash_fields = mlx5_rss_hash_fields[i];
+               int tunnel;
+
+               for (tunnel = 0; tunnel < 2; tunnel++) {
+                       hrxq_idx = __flow_dv_action_rss_hrxq_lookup
+                                       (shared_rss, hash_fields, tunnel);
+                       MLX5_ASSERT(hrxq_idx);
+                       ret = mlx5_hrxq_modify
+                               (dev, hrxq_idx,
+                                rss_key, rss_key_len,
+                                hash_fields,
+                                action_conf->queue, action_conf->queue_num);
+                       if (ret) {
+                               rte_free(queue);
+                               return rte_flow_error_set
+                                       (error, rte_errno,
+                                        RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                        "cannot update hash queue");
+                       }
+               }
+       }
+       rte_free(shared_rss->queue);
+       shared_rss->queue = queue;
+       rte_memcpy(shared_rss->queue, action_conf->queue, queue_size);
+       shared_rss->origin.queue = shared_rss->queue;
+       shared_rss->origin.queue_num = action_conf->queue_num;
+       return 0;
+}
+
+/**
+ * Updates in place shared action configuration, lock free,
+ * (mutex should be acquired by caller).
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] action
+ *   The shared action object to be updated.
+ * @param[in] action_conf
+ *   Action specification used to modify *action*.
+ *   *action_conf* should be of type correlating with type of the *action*,
+ *   otherwise considered as invalid.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+__flow_dv_action_update(struct rte_eth_dev *dev,
+                       struct rte_flow_shared_action *action,
+                       const void *action_conf,
+                       struct rte_flow_error *error)
+{
+       switch (action->type) {
+       case MLX5_FLOW_ACTION_SHARED_RSS:
+               return __flow_dv_action_rss_update(dev, &action->rss,
+                                                  action_conf, error);
+       default:
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "action type not supported");
+       }
+}
 /**
  * Query a dv flow  rule for its statistics via devx.
  *
@@ -9792,6 +10330,87 @@ flow_dv_counter_free(struct rte_eth_dev *dev, uint32_t 
cnt)
        flow_dv_shared_unlock(dev);
 }
 
+/**
+ * Validate shared action.
+ * Dispatcher for action type specific validation.
+ *
+ * @param[in] dev
+ *   Pointer to the Ethernet device structure.
+ * @param[in] action
+ *   The shared action object to validate.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. Initialized in case of
+ *   error only.
+ *
+ * @return
+ *   0 on success, otherwise negative errno value.
+ */
+static int
+flow_dv_action_validate(struct rte_eth_dev *dev,
+                       const struct rte_flow_action *action,
+                       struct rte_flow_error *error)
+{
+       switch (action->type) {
+       case RTE_FLOW_ACTION_TYPE_RSS:
+               return mlx5_validate_action_rss(dev, action, error);
+       default:
+               return rte_flow_error_set(error, ENOTSUP,
+                                         RTE_FLOW_ERROR_TYPE_ACTION,
+                                         NULL,
+                                         "action type not supported");
+       }
+}
+
+/*
+ * Mutex-protected thunk to lock-free  __flow_dv_action_create().
+ */
+static struct rte_flow_shared_action *
+flow_dv_action_create(struct rte_eth_dev *dev,
+                     const struct rte_flow_action *action,
+                     struct rte_flow_error *error)
+{
+       struct rte_flow_shared_action *shared_action = NULL;
+
+       flow_dv_shared_lock(dev);
+       shared_action = __flow_dv_action_create(dev, action, error);
+       flow_dv_shared_unlock(dev);
+       return shared_action;
+}
+
+/*
+ * Mutex-protected thunk to lock-free  __flow_dv_action_destroy().
+ */
+static int
+flow_dv_action_destroy(struct rte_eth_dev *dev,
+                      struct rte_flow_shared_action *action,
+                      struct rte_flow_error *error)
+{
+       int ret;
+
+       flow_dv_shared_lock(dev);
+       ret = __flow_dv_action_destroy(dev, action, error);
+       flow_dv_shared_unlock(dev);
+       return ret;
+}
+
+/*
+ * Mutex-protected thunk to lock-free  __flow_dv_action_update().
+ */
+static int
+flow_dv_action_update(struct rte_eth_dev *dev,
+                     struct rte_flow_shared_action *action,
+                     const void *action_conf,
+                     struct rte_flow_error *error)
+{
+       int ret;
+
+       flow_dv_shared_lock(dev);
+       ret = __flow_dv_action_update(dev, action, action_conf,
+                                     error);
+       flow_dv_shared_unlock(dev);
+       return ret;
+}
+
 const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
        .validate = flow_dv_validate,
        .prepare = flow_dv_prepare,
@@ -9808,6 +10427,10 @@ const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops 
= {
        .counter_free = flow_dv_counter_free,
        .counter_query = flow_dv_counter_query,
        .get_aged_flows = flow_get_aged_flows,
+       .action_validate = flow_dv_action_validate,
+       .action_create = flow_dv_action_create,
+       .action_destroy = flow_dv_action_destroy,
+       .action_update = flow_dv_action_update,
 };
 
 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
-- 
2.26.2

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